All fixes verified working:
- Video download for videos without official subtitles
- Whisper transcription with correct offset parsing
- Text extraction from Whisper JSON format
- End-to-end analysis with real video content
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- When content_type is video and no official subtitle available:
- Download video using yt-dlp
- Extract audio for Whisper fallback
- Update content_file with actual video path
This enables the pipeline to handle videos that don't have
official Bilibili subtitles.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
starmen1265